Akira Kakuto wrote, on 11-06-2014 03:34:
>> In TeX Live 2015, not this year, all of the following work on windows:
>> pdftex test-test
> pdftex test-t~1
> pdftex c:/somedirectory/test-t~1
> pdftex c:/somedi~1/test-t~1
> pdftex c:\somedi~1\test-t~1
>> (but \ in path name is not fully tested and
> I recommend not to use \ in TeX for a directory
> separator)
>>
Thats good news. How about
Long path names
pdftex \\?\some long path\test.tex
and UNC paths
pdftex \\server\share\test.tex